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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_AURA_TEST_TEST_SCREEN_H_
#define UI_AURA_TEST_TEST_SCREEN_H_
#include "base/compiler_specific.h"
#include "ui/aura/window_observer.h"
#include "ui/gfx/display.h"
#include "ui/gfx/screen.h"
namespace gfx {
class Rect;
class Transform;
}
namespace aura {
class RootWindow;
class Window;
// A minimal, testing Aura implementation of gfx::Screen.
class TestScreen : public gfx::Screen,
public WindowObserver {
public:
static TestScreen* Create();
// Creates a TestScreen that uses fullscreen for the display.
static TestScreen* CreateFullscreen();
virtual ~TestScreen();
RootWindow* CreateRootWindowForPrimaryDisplay();
void SetDeviceScaleFactor(float device_scale_fator);
void SetDisplayRotation(gfx::Display::Rotation rotation);
void SetUIScale(float ui_scale);
protected:
gfx::Transform GetRotationTransform() const;
gfx::Transform GetUIScaleTransform() const;
// WindowObserver overrides:
virtual void OnWindowBoundsChanged(Window* window,
const gfx::Rect& old_bounds,
const gfx::Rect& new_bounds) OVERRIDE;
virtual void OnWindowDestroying(Window* window) OVERRIDE;
// gfx::Screen overrides:
virtual bool IsDIPEnabled() OVERRIDE;
virtual gfx::Point GetCursorScreenPoint() OVERRIDE;
virtual gfx::NativeWindow GetWindowAtCursorScreenPoint() OVERRIDE;
virtual int GetNumDisplays() OVERRIDE;
virtual gfx::Display GetDisplayNearestWindow(
gfx::NativeView view) const OVERRIDE;
virtual gfx::Display GetDisplayNearestPoint(
const gfx::Point& point) const OVERRIDE;
virtual gfx::Display GetDisplayMatching(
const gfx::Rect& match_rect) const OVERRIDE;
virtual gfx::Display GetPrimaryDisplay() const OVERRIDE;
virtual void AddObserver(gfx::DisplayObserver* observer) OVERRIDE;
virtual void RemoveObserver(gfx::DisplayObserver* observer) OVERRIDE;
private:
explicit TestScreen(const gfx::Rect& screen_bounds);
aura::RootWindow* root_window_;
gfx::Display display_;
float ui_scale_;
DISALLOW_COPY_AND_ASSIGN(TestScreen);
};
} // namespace aura
#endif // UI_AURA_TEST_TEST_SCREEN_H_
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